About the Authors

Natalie R. Gassman

Affiliation Laboratory of Structural Biology, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, United States of America

Donna F. Stefanick

Affiliation Laboratory of Structural Biology, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, United States of America

Padmini S. Kedar

Affiliation Laboratory of Structural Biology, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, United States of America

Julie K. Horton

Affiliation Laboratory of Structural Biology, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, United States of America

Samuel H. Wilson

wilson5@niehs.nih.gov

Affiliation Laboratory of Structural Biology, National Institute of Environmental Health Sciences, Research Triangle Park, North Carolina, United States of America

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: NRG SHW. Performed the experiments: NRG DFS PSK. Analyzed the data: NRG DFS JKH. Wrote the paper: NRG SHW.